【摘要】 随着电子设备结构和功能的日益复杂,对其内部使用的数字信号处理系统在体积和功耗方面提出了更高的要求。结合以上背景,设计了一种体积小、功耗低的通用数字信号处理系统。该系统利用DSP配合FPGA为硬件架构,以TMS320VC5509A DSP为数据处理核心,通过FPGA对USB、ADC和DAC等外围设备进行控制,并可实现频谱分析、数字滤波器等数字信号处理算法。硬件调试结果表明,该系统满足设计要求,可应用于实际工程和课堂教学等多个领域。更多还原

【Abstract】 In nowadays,the function and structure of electronic equipment are becoming increasingly complicated.Therefore,the requirements of the volume and power consumption of the digital signal processing system are harsher.According to the above background,this paper designs a general digital signal processing system with smaller volume and lower power consumption.The digital signal processor TMS320VC5509A and the FPGA are the core of the system,which can perform data processing and accomplish the control of USB interface,ADC,DAC,etc.respectively.The system can implement spectral analysis,digital filter design and other classic digital signal processing algorithms.Hardware debug results suggest that it meets the design requirements,and could be implemented to real project and digital signal processing course.更多还原